Alert archive / Missouri / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 45, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Mar 29, 2017, 9:57 PM CDT for Callaway County, Cole County, Missouri. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Mar 29, 2017, 9:57 PM CDT (02:57 UTC)
- Expired
- Mar 29, 2017, 10:33 PM CDT
- In force
- 36 min
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Callaway County, MO, Cole County, MO
The radar
The St Louis radar (KLSX), 124 km from the middle of the area, began a volume at 02:57 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 29, 8:22 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 3.0 hours before the alert went out and 246 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 708 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1134 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 199 m²/s²
- 0-3 km storm-relative helicity
- 271 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 4.6
The text
As transmitted.
930
WUUS53 KLSX 300257
SVRLSX
MOC027-051-300345-
/O.NEW.KLSX.SV.W.0045.170330T0257Z-170330T0345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service St Louis MO
957 PM CDT WED MAR 29 2017
The National Weather Service in St Louis has issued a
* Severe Thunderstorm Warning for...
Central Cole County in central Missouri...
Southern Callaway County in central Missouri...
* Until 1045 PM CDT.
* At 957 PM CDT, a severe thunderstorm was located over Jefferson
City, moving northeast at 40 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Trained weather spotters.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Jefferson City, Fulton, Holts Summit, Wardsville, St. Martins,
Taos, New Bloomfield, Lake Mykee Town, Lake Mykee, Mokane,
Wainwright, Osage City, Carrington, Tebbetts, Guthrie and Steedman.
This also includes Clarks Hill/Norton Historic Site and Jefferson
Landing Historic Site.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows!
&&
A tornado watch remains in effect until 300 AM CDT for central
Missouri.
LAT...LON 3865 9227 3864 9225 3865 9222 3872 9222
3874 9218 3875 9219 3877 9216 3878 9217
3892 9205 3873 9174 3868 9182 3867 9187
3860 9194 3858 9199 3854 9203 3847 9214
3847 9217 3858 9233
TIME...MOT...LOC 0257Z 221DEG 34KT 3859 9216
HAIL...1.00IN
WIND...60MPH
$$
Tilly2 follow-up statements
231
WWUS53 KLSX 300317
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
1017 PM CDT WED MAR 29 2017
MOC051-300326-
/O.CAN.KLSX.SV.W.0045.000000T0000Z-170330T0345Z/
Cole MO-
1017 PM CDT WED MAR 29 2017
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL COLE COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A tornado watch remains in effect until 300 AM CDT for central
Missouri.
LAT...LON 3865 9222 3877 9216 3892 9205 3873 9174
3868 9182 3867 9187 3860 9194 3858 9199
TIME...MOT...LOC 0316Z 221DEG 34KT 3873 9200
$$
MOC027-300345-
/O.CON.KLSX.SV.W.0045.000000T0000Z-170330T0345Z/
Callaway MO-
1017 PM CDT WED MAR 29 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT
FOR SOUTHERN CALLAWAY COUNTY...
At 1016 PM CDT, a severe thunderstorm was located near New
Bloomfield, moving northeast at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Fulton, Holts Summit, New Bloomfield, Lake Mykee Town, Lake Mykee,
Mokane, Carrington, Tebbetts, Guthrie and Steedman.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
A tornado watch remains in effect until 300 AM CDT for central
Missouri.
LAT...LON 3865 9222 3877 9216 3892 9205 3873 9174
3868 9182 3867 9187 3860 9194 3858 9199
TIME...MOT...LOC 0316Z 221DEG 34KT 3873 9200
HAIL...<.75IN
WIND...60MPH
$$
Tilly680
WWUS53 KLSX 300333
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
1033 PM CDT WED MAR 29 2017
MOC027-300343-
/O.CAN.KLSX.SV.W.0045.000000T0000Z-170330T0345Z/
Callaway MO-
1033 PM CDT WED MAR 29 2017
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN CALLAWAY COUNTY IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled. However small hail is
still possible with this thunderstorm.
A tornado watch remains in effect until 300 AM CDT for central
Missouri.
LAT...LON 3865 9222 3877 9216 3892 9205 3873 9174
3868 9182 3867 9187 3860 9194 3858 9199
TIME...MOT...LOC 0331Z 221DEG 34KT 3885 9186
$$
TillyThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 29, 7:22 PM CDT | Severe Thunderstorm Warning | LSX | Callaway | 27 min |
| Mar 29, 8:34 PM CDT | Severe Thunderstorm Warning | LSX | Marion, Monroe, Ralls | 26 min |
| Mar 29, 8:46 PM CDT | Severe Thunderstorm Warning | LSX | Cole, Osage | 59 min |
| Mar 29, 8:55 PM CDT | Severe Thunderstorm Warning | LSX | Lewis | 35 min |
| Mar 30, 10:55 AM CDT | Special Weather Statement | LSX | Franklin | 35 min |
| Mar 30, 11:12 AM CDT | Special Weather Statement | LSX | Saint Charles, Saint Louis | 33 min |
| Mar 30, 11:25 AM CDT | Special Weather Statement | LSX | Saint Charles | 35 min |
| Mar 30, 12:05 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles | 40 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 2017Every severe thunderstorm warning in 2017
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.